children. scientists tell us that today's u.s. 21st century medical technology will swell the ranks of our se 100-year-olds. how can we res vekt a vigorous maturity from a negative stereotype of decrepit old age? what can we do to make sure our brains stay as vital as our bodies? we will ask best selling author, neurologist and neuropsychologist dr. richard restak. >> dr. richard restak, welcome, and you are now on the air. this is book we're going to be referring to "the longevity strategy" how to live to live to 100 using the brain-body con dmeks. we might make reference to the magazine you are affiliated, which i think is the child of david mahoney and his philanthropy. >> yes, that's correct. >> did you? >> he had been chairman of canada dry. >> yes. >> then he took an interest in the brain. >> yes. >> and he founded dana. >> dana lives, yes. >> dana. well, this is an extremely interesting subject. tell me what is the essence of the brain-body connection and how can our brains help us live longer lives? >> well, the brain and the body are interconnecd in such a way that you really can'